DE3915331A1 - Mechanischer bleistift - Google Patents

Mechanischer bleistift

Info

Publication number
DE3915331A1
DE3915331A1 DE3915331A DE3915331A DE3915331A1 DE 3915331 A1 DE3915331 A1 DE 3915331A1 DE 3915331 A DE3915331 A DE 3915331A DE 3915331 A DE3915331 A DE 3915331A DE 3915331 A1 DE3915331 A1 DE 3915331A1
Authority
DE
Germany
Prior art keywords
mine
lead
sleeve
slider
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE3915331A
Other languages
German (de)
English (en)
Other versions
DE3915331C2 (enrdf_load_stackoverflow
Inventor
Hidehei Kageyama
Yoshihide Mitsuya
Youichi Nakazato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kotobuki and Co Ltd
Original Assignee
Kotobuki and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kotobuki and Co Ltd filed Critical Kotobuki and Co Ltd
Publication of DE3915331A1 publication Critical patent/DE3915331A1/de
Application granted granted Critical
Publication of DE3915331C2 publication Critical patent/DE3915331C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/22—Writing-cores gripping means, e.g. chucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/003—Propelling pencils with lead sections or lead cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
    • B43K21/033—Writing-core feeding mechanisms with sliding tubelike writing-core guide with automatic feed by pressure during use of pencil

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
DE3915331A 1988-05-15 1989-05-10 Mechanischer bleistift Granted DE3915331A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988063545U JPH077197Y2 (ja) 1988-05-15 1988-05-15 シヤープペンシル

Publications (2)

Publication Number Publication Date
DE3915331A1 true DE3915331A1 (de) 1989-11-23
DE3915331C2 DE3915331C2 (enrdf_load_stackoverflow) 1991-11-28

Family

ID=13232300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3915331A Granted DE3915331A1 (de) 1988-05-15 1989-05-10 Mechanischer bleistift

Country Status (4)

Country Link
US (1) US4957384A (enrdf_load_stackoverflow)
JP (1) JPH077197Y2 (enrdf_load_stackoverflow)
KR (1) KR910002705Y1 (enrdf_load_stackoverflow)
DE (1) DE3915331A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1184201A4 (en) * 2000-03-30 2009-09-23 Pentel Kk DOOR-MINE

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462376A (en) * 1994-02-16 1995-10-31 Kotobuki & Co., Ltd. Mechanical pencil with improved slider mechanism
JPH10166783A (ja) * 1996-10-07 1998-06-23 Kotobuki Kk ダブルチャック式シャープペンシル
US6039484A (en) * 1998-06-22 2000-03-21 Kotobuki & Co., Ltd. Writing instrument
DE102007009684B4 (de) * 2006-10-31 2008-08-21 Faber-Castell Ag Mechanischer Bleistift

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2034500C3 (de) * 1969-07-18 1979-06-07 Tatsuzo Tokio Minagawa Druckbleistift
DE8222369U1 (de) * 1982-08-07 1983-10-27 Fa. J.S. Staedtler, 8500 Nürnberg Schreibstift mit minenvorschub
US4687363A (en) * 1984-06-08 1987-08-18 Kotobuki & Co., Ltd. Mechanical pencil and method for assembling the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1700246A (en) * 1923-03-14 1929-01-29 Pencil Mechanism Corp Step-by-step lead pencil
US1803794A (en) * 1924-05-08 1931-05-05 Pencil Mechanism Corp Mechanical pencil
US2056143A (en) * 1932-10-29 1936-09-29 Stylofede Corp Pencil
US2222295A (en) * 1939-01-19 1940-11-19 Spencerian Pen Company Mechanical pencil
US2210845A (en) * 1939-06-19 1940-08-06 John C Wahl Pencil
JPS57162884U (enrdf_load_stackoverflow) * 1981-04-04 1982-10-14
JPS58185480U (ja) * 1982-06-03 1983-12-09 アンコス株式会社 シヤ−プペンシル
JPS60138780U (ja) * 1984-02-27 1985-09-13 三菱鉛筆株式会社 シヤ−プペンシル

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2034500C3 (de) * 1969-07-18 1979-06-07 Tatsuzo Tokio Minagawa Druckbleistift
DE8222369U1 (de) * 1982-08-07 1983-10-27 Fa. J.S. Staedtler, 8500 Nürnberg Schreibstift mit minenvorschub
US4687363A (en) * 1984-06-08 1987-08-18 Kotobuki & Co., Ltd. Mechanical pencil and method for assembling the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1184201A4 (en) * 2000-03-30 2009-09-23 Pentel Kk DOOR-MINE

Also Published As

Publication number Publication date
DE3915331C2 (enrdf_load_stackoverflow) 1991-11-28
KR910002705Y1 (ko) 1991-04-26
KR890022754U (ko) 1989-12-01
JPH077197Y2 (ja) 1995-02-22
US4957384A (en) 1990-09-18
JPH01166575U (enrdf_load_stackoverflow) 1989-11-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee